Can you please explain how to solve this equation to get the correct answer?

QB (a) If f and g are functions given by f:A>]Rwheref{zc)=%(l+l) 3 1 331 9 : B> R where glint) = Find [i)The implied maximal domains A and B for the functions f and g respectively. [ii)The rule for fog and state its1 range. [iii)The rule for 99f and state its\" range. [b)(i}Find the function which is the inverse of h:{x|m22}>th(m)=2wm2 [ii)State the domain and range of If] (a?) from part (i)- (iii) Sketch the graphs of h (m) and h'1 (3:) on the SAME set of axes